package orm;

import java.sql.Timestamp;
import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for Deal
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see orm.Deal
 * @author MyEclipse Persistence Tools
 */

public class DealDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory.getLogger(DealDAO.class);
	// property constants
	public static final String PRIVACY_QUESTION = "privacyQuestion";
	public static final String PRIVACY_ANSWER = "privacyAnswer";
	public static final String PRICE = "price";
	public static final String TOTAL_MONEY = "totalMoney";
	public static final String TOTAL_QUANTITY = "totalQuantity";
	public static final String LAUNCHER_COMMENT = "launcherComment";
	
	private static DealDAO dealDAO = new DealDAO();
	
	private DealDAO() {
		
	}
	
	public static DealDAO getInstance() {
		return dealDAO;
	}

	public void save(Deal transientInstance) {
		log.debug("saving Deal instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Deal persistentInstance) {
		log.debug("deleting Deal instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Deal findById(java.lang.Integer id) {
		log.debug("getting Deal instance with id: " + id);
		try {
			Deal instance = (Deal) getSession().get("orm.Deal", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Deal instance) {
		log.debug("finding Deal instance by example");
		try {
			List results = getSession().createCriteria("orm.Deal")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Deal instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Deal as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByPrivacyQuestion(Object privacyQuestion) {
		return findByProperty(PRIVACY_QUESTION, privacyQuestion);
	}

	public List findByPrivacyAnswer(Object privacyAnswer) {
		return findByProperty(PRIVACY_ANSWER, privacyAnswer);
	}

	public List findByPrice(Object price) {
		return findByProperty(PRICE, price);
	}

	public List findByTotalMoney(Object totalMoney) {
		return findByProperty(TOTAL_MONEY, totalMoney);
	}

	public List findByTotalQuantity(Object totalQuantity) {
		return findByProperty(TOTAL_QUANTITY, totalQuantity);
	}

	public List findByLauncherComment(Object launcherComment) {
		return findByProperty(LAUNCHER_COMMENT, launcherComment);
	}

	public List findAll() {
		log.debug("finding all Deal instances");
		try {
			String queryString = "from Deal";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Deal merge(Deal detachedInstance) {
		log.debug("merging Deal instance");
		try {
			Deal result = (Deal) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Deal instance) {
		log.debug("attaching dirty Deal instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Deal instance) {
		log.debug("attaching clean Deal instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}